CA1182712A - Filtre de fumee par absorption d'air, ainsi que methode et machine pour sa fabrication - Google Patents

Filtre de fumee par absorption d'air, ainsi que methode et machine pour sa fabrication

Info

Publication number
CA1182712A
CA1182712A CA000400647A CA400647A CA1182712A CA 1182712 A CA1182712 A CA 1182712A CA 000400647 A CA000400647 A CA 000400647A CA 400647 A CA400647 A CA 400647A CA 1182712 A CA1182712 A CA 1182712A
Authority
CA
Canada
Prior art keywords
rod
smoke
filter
tipping paper
grooves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000400647A
Other languages
English (en)
Inventor
Richard M. Berger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Filtrona Richmond Inc
Original Assignee
American Filtrona Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Priority to CA000468272A priority Critical patent/CA1212295A/fr
Application granted granted Critical
Publication of CA1182712A publication Critical patent/CA1182712A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
CA000400647A 1981-12-23 1982-04-07 Filtre de fumee par absorption d'air, ainsi que methode et machine pour sa fabrication Expired CA1182712A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000468272A CA1212295A (fr) 1981-12-23 1984-11-20 Filtre de cigarette permeable a l'air, et methode de dispositif de fabrication connexes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US333,815 1981-12-23
US06/333,815 US4499912A (en) 1981-12-23 1981-12-23 Free air dilution smoke filter and method and apparatus for fabricating same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000468272A Division CA1212295A (fr) 1981-12-23 1984-11-20 Filtre de cigarette permeable a l'air, et methode de dispositif de fabrication connexes

Publications (1)

Publication Number Publication Date
CA1182712A true CA1182712A (fr) 1985-02-19

Family

ID=23304370

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000400647A Expired CA1182712A (fr) 1981-12-23 1982-04-07 Filtre de fumee par absorption d'air, ainsi que methode et machine pour sa fabrication

Country Status (5)

Country Link
US (1) US4499912A (fr)
CA (1) CA1182712A (fr)
DE (1) DE3247550C2 (fr)
GB (1) GB2111817B (fr)
IT (1) IT1153874B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE349165T1 (de) * 2002-08-09 2007-01-15 British American Tobacco Co Verbesserungen an filterzigaretten und verfahren zur deren herstellung
CN110934332B (zh) * 2019-12-05 2021-12-03 湖北中烟工业有限责任公司 一种加工香烟异形鸭嘴棒配合定位接装纸的工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249139B (de) * 1967-08-31 Essen Hans Schemann An eine Zigarette anschließbares Filter mundstuck
US70385A (en) * 1867-11-05 James m
US1718122A (en) * 1927-01-18 1929-06-18 Shon Clarence L De Cigarette tip
FR1034663A (fr) * 1949-12-06 1958-07-29 Elie P Aghnides
DE1532170A1 (de) * 1965-02-17 1970-01-29 Hauni Werke Koerber & Co Kg Filtermundstueck fuer Tabakartikel
US3390684A (en) * 1965-08-09 1968-07-02 Armstead B. Hudnell Cigarette with controllable mildness
US3470008A (en) * 1965-09-27 1969-09-30 Celanese Corp Process for making paperless cigarette filter
US3910288A (en) * 1973-02-27 1975-10-07 Brown & Williamson Tobacco Programmed filter
US4201232A (en) * 1978-06-28 1980-05-06 Aquafilter Corporation Cigarette holder with filter
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
US4338956A (en) * 1980-12-05 1982-07-13 Brown & Williamson Tobacco Corporation Cigarette filter
US4498488A (en) * 1981-03-12 1985-02-12 Brown & Williamson Tobacco Corporation Cigarette filter
US4387728A (en) * 1981-03-19 1983-06-14 Brown & Williamson Tobacco Corporation Cigarette filter
US4637409A (en) * 1981-05-07 1987-01-20 American Filtrona Corporation Tobacco smoke filter and method and apparatus for making same

Also Published As

Publication number Publication date
US4499912A (en) 1985-02-19
IT1153874B (it) 1987-01-21
GB2111817B (en) 1986-04-23
IT8224949A0 (it) 1982-12-23
DE3247550A1 (de) 1983-06-30
GB2111817A (en) 1983-07-13
DE3247550C2 (de) 1994-02-17
IT8224949A1 (it) 1984-06-23

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry